Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

OCN: 612K CSC VOICE, LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
908-535 A Blairstown NJ   224      
908-546 7 Plainfield NJ   224   2010-10-08   
908-576 6 Elizabeth NJ   224   2005-12-02   
908-576 7 Elizabeth NJ   224   2005-12-02   
908-576 8 Elizabeth NJ   224   2006-06-19   
908-615 3 Milford NJ   224   2003-09-08   
908-621 4 Hope NJ   224   2021-04-09   
908-662 0 Elizabeth NJ   224   2007-04-14   
908-662 1 Elizabeth NJ   224   2007-04-14   
908-662 2 Elizabeth NJ   224   2007-04-14   
908-662 3 Elizabeth NJ   224   2007-09-21   
908-662 7 Elizabeth NJ   224   2006-12-17   
908-718 9 Linden NJ   224   2025-11-04   
908-737 8 Elizabeth NJ   224   2013-04-05   
908-799 2 Great Meadows NJ   224   2021-04-10   
908-834 8 Plainfield NJ   224   2006-10-16   
908-842 2 Somerville NJ   224   2016-07-24   
908-864 4 Somerville NJ   224   2010-08-16   
908-893 5 Hampton NJ   224   2021-04-09   
908-898 8 Summit NJ   224   2015-01-01   
908-943 0 Elizabeth NJ   224   2008-05-16   
908-955 1 Chester NJ   224   2004-07-19   
908-962 9 Elizabeth NJ   224   2007-11-17   
908-980 2 Long Valley NJ   224   2021-04-10   
908-982 5 Columbia NJ   224   2021-04-10   
959-209 A Watertown CT   920      
959-209 4 Watertown CT   920   2016-08-28   
973-200 0 Little Falls NJ   224   2004-07-01   
973-206 1 Morristown NJ   224   2007-09-21   
973-230 0 Newark NJ   224      
973-230 1 Newark NJ   224   2006-02-19   
973-230 2 Newark NJ   224      
973-230 3 Newark NJ   224      
973-230 4 Newark NJ   224      
973-230 7 Newark NJ   224      
973-230 8 Newark NJ   224      
973-234 5 Hopatcong NJ   224   2007-10-06   
973-240 7 Whippany NJ   224   2007-11-17   
973-246 A Passaic NJ   224      
973-246 1 Passaic NJ   224   2005-04-09   
973-246 3 Passaic NJ   224   2005-04-09   
973-246 4 Passaic NJ   224   2004-11-10   
973-246 5 Passaic NJ   224   2004-11-10   
973-246 6 Passaic NJ   224   2004-11-10   
973-246 7 Passaic NJ   224   2005-04-09   
973-246 9 Passaic NJ   224   2004-02-16   
973-248 6 Pompton Lakes NJ   224   2004-08-14   
973-250 0 Branchville NJ   224   2011-12-17   
973-265 0 Boonton NJ   224   2012-08-18   
973-265 4 Boonton NJ   224   2003-07-07   
973-265 8 Boonton NJ   224   2002-03-16   
973-270 0 Morristown NJ   224   2007-09-06   
973-272 2 Passaic NJ   224   2004-03-01   
973-272 3 Passaic NJ   224   2004-07-16   
973-272 6 Passaic NJ   224   2007-12-13   
973-272 8 Passaic NJ   224   2002-03-20   
973-287 7 Caldwell NJ   224   2006-09-29   
973-288 1 Hopatcong NJ   224   2007-12-21   
973-291 4 Butler NJ   224   2003-07-07   
973-291 6 Butler NJ   224   2005-04-07   
973-291 8 Butler NJ   224   2007-07-14   
973-295 6 Madison NJ   224   2008-10-17   
973-304 1 Hawthorne NJ   224   2007-09-06   
973-304 4 Hawthorne NJ   224   2013-05-04   
973-310 3 Hawthorne NJ   224   2008-07-20   
973-320 2 Nutley NJ   224   2005-02-27   
973-320 5 Nutley NJ   224   2007-07-01   
973-321 8 Paterson NJ   224   2014-05-02   
973-327 4 South Orange NJ   224   2003-06-25   
973-333 3 Paterson NJ   224   2004-09-13   
973-333 5 Paterson NJ   224   2004-09-13   
973-333 8 Paterson NJ   224   2002-04-19   
973-333 9 Paterson NJ   224   2005-02-10   
973-337 1 Bloomfield NJ   224   2005-01-20   
973-339 9 Little Falls NJ   224   2007-10-06   
973-341 2 Paterson NJ   224   2007-07-01   
973-341 3 Paterson NJ   224   2007-07-01   
973-341 4 Paterson NJ   224   2003-07-07   
973-341 6 Paterson NJ   224   2004-06-14   
973-341 7 Paterson NJ   224   2005-02-10   
973-341 9 Paterson NJ   224   2005-09-02   
973-343 2 Dover NJ   224   2003-07-07   
973-343 6 Dover NJ   224   2004-11-29   
973-343 7 Dover NJ   224   2004-11-29   
973-350 6 Newark NJ   224   2004-11-06   
973-351 4 Newark NJ   224   2004-11-06   
973-368 2 Newark NJ   224   2004-11-06   
973-368 4 Newark NJ   224   2004-11-06   
973-368 8 Newark NJ   224   2005-02-12   
973-396 2 Caldwell NJ   224   2005-02-27   
973-396 8 Caldwell NJ   224   2002-03-20   
973-406 7 Mountain View NJ   224   2008-04-11   
973-409 4 Newfoundland NJ   224   2003-02-10   
973-433 0 Verona NJ   224   2007-12-07   
973-433 4 Verona NJ   224   2003-02-10   
973-453 6 Rockaway NJ   224   2011-05-05   
973-506 A West Milford NJ   224      
973-506 4 West Milford NJ   224   2003-04-05   
973-506 6 West Milford NJ   224   2013-04-05   
973-506 7 West Milford NJ   224   2006-12-08   

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Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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